alleygorithm
player impact + groups
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alleygorithm
player impact and winning groups

Player, pair, and lineup impact measured from every NBA possession.

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WPA-powered analytics from play-by-play data
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Pair•Last 30 days•Through 2026-04-20
Andrew Nembhard
Ben Sheppard
IND logo

Andrew Nembhard + Ben Sheppard

Over 100 shared possessions, this pair has added about +0.004 wins after shrinkage. That is 87th percentile on 235 shared possessions, which currently reads as a medium confidence signal. This is meaningful, but still deserves some caution.

Rank #348|+0.0 est. wins|87th percentile|medium confidence|235 poss
League percentile86.9th
0th (worst)25th50th (median)75th100th (best)
050100
Better than 87% of pairs. Rank #348 in this window, with 235 shared possessions and medium confidence.
Est. wins added
+0.0
8787th percentile
Impact / 100
+0.004
8787th percentile
Off / Def
O+0.014D+0.021
Shape of value across both sides
Possessions
235
medium confidence
Grade
87%
grade A-
What stands out
This is meaningful, but still deserves some caution.
The group has added +0.0 estimated wins in this window, which is easier to read than the per-100 rate on its own.
Off/Def shows whether that value is being created through scoring lift, defensive resistance, or a more balanced two-way profile.
Baseline check
The member average is +0.001, while the group's expected baseline is +0.001.
Advanced breakdown
Observed possessions235
Member average+0.001
Expected baseline+0.001
Actual group score+0.004
Surplus+0.003
Member profiles
Andrew Nembhard
IND logo
IND
-0.001
42th pctl
729 possmediumOff +0.001 / Def -0.003
Ben Sheppard
IND logo
IND
+0.003
76th pctl
655 possmediumOff +0.002 / Def +0.003